Giuseppe Donatiello

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Giuseppe Donatiello
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Born (1967-12-14) December 14, 1967 (age 57)
NationalityItalian
Occupation
  • Amateur astronome
  • Author

Giuseppe Donatiello (born 14 December 1967) is an Italian amateur astronomer., author of popular articles and astronomical news[1]. He is primarily known as the discoverer of eleven nearby dwarf galaxies in the Local Volume[2].

  • He discovered in 2016 a dwarf galaxy about 10 million light years away in the constellation of Andromeda called Donatiello I. This is the first galaxy to be named after its non-professional discoverer.
  • In 2020, he discovered the ultrafaint dwarf galaxy named Pisces VII/Triangulum III[3] which turned out to be a strong satellite candidate of the dwarf spiral galaxy Messier 33[4]. Pisces VII is the first Local Group galaxy to be discovered by a non-professional astronomer.
  • Also in 2021, the discovery of three new satellites of the spiral galaxy NGC 253 was announced[5]. These three new galaxies were named Donatiello II, III and IV. All were later observed and confirmed as satellites of NGC 253 by the Hubble Space Telescope[6][7].
  • In 2022, he discovered a very faint satellite of M31 which was named Pegasus V / Andromeda XXXIV[8]. This object turned out to be particularly ancient and could be a fossil of the first star formation.
  • In 2024, the discovery of five more satellite galaxies of the NGC 253 galaxy was announced. The new objects were named Donatiello V, VI, VII, VIII and IX[9].

To these discoveries must be added some candidate planetary nebulae[10] and the participation in the discovery and analysis of several dozen stellar streams[11][12]

He is the principal investigator and coordinator of the National Deep Sky Research Section of the Italian Amateur Astronomers Union[13], the oldest Italian amateur organization. From the same organization, he was awarded the Ruggieri Prize in 2022 for his brilliant results in the study of the deep sky in Italy[14]

References

  1. ↑ "Giuseppe Donatiello, Autore presso Cosmo2050" (in italiano). 2024-04-30. Retrieved 2024-06-01.
  2. ↑ Robert Lea (2024-05-22). "Amateur astronomer finds 5 fascinating new galaxies — and they're now named after him". Space.com. Retrieved 2024-06-01.
  3. ↑ Martínez-Delgado, David; Karim, Noushin; Charles, Emily J E; Boschin, Walter; Monelli, Matteo; Collins, Michelle L M; Donatiello, Giuseppe; Alfaro, Emilio J (2021-10-05). "Pisces VII: discovery of a possible satellite of Messier 33 in the DESI legacy imaging surveys". Monthly Notices of the Royal Astronomical Society. 509 (1): 16–24. doi:10.1093/mnras/stab2797. ISSN 0035-8711.
  4. ↑ Collins, Michelle L M.; Karim, Noushin; Martinez-Delgado, David; Monelli, Matteo; Tollerud, Erik J.; Donatiello, Giuseppe; Navabi, Mahdieh; Charles, Emily; Boschin, Walter (2024). "Pisces VII/Triangulum III – M33's second dwarf satellite galaxy". Monthly Notices of the Royal Astronomical Society. 528 (2): 2614–2620. doi:10.1093/mnras/stae199. Retrieved 2024-06-01.
  5. ↑ Martínez-Delgado, David; Makarov, Dmitry; Javanmardi, Behnam; Pawlowski, Marcel S.; Makarova, Lidia; Donatiello, Giuseppe; Lang, Dustin; Román, Javier; Vivas, Kathy; Carballo-Bello, Julio A. (2021-08-01). "Tracing satellite planes in the Sculptor group - I. Discovery of three faint dwarf galaxies around NGC 253". Astronomy & Astrophysics. 652: A48. Bibcode:2021A&A...652A..48M. doi:10.1051/0004-6361/202141242. ISSN 0004-6361.
  6. ↑ Mutlu-Pakdil, Burçin; Sand, David J.; Crnojević, Denija; Jones, Michael G.; Caldwell, Nelson; Guhathakurta, Puragra; Seth, Anil C.; Simon, Joshua D.; Spekkens, Kristine; Strader, Jay; Toloba, Elisa (February 2022). "Hubble Space Telescope Observations of NGC 253 Dwarf Satellites: Three Ultra-faint Dwarf Galaxies*". The Astrophysical Journal. 926 (1): 77. Bibcode:2022ApJ...926...77M. doi:10.3847/1538-4357/ac4418. ISSN 0004-637X.
  7. ↑ Mutlu-Pakdil, Burçin; Sand, David J.; Crnojević, Denija; Bennet, Paul; Jones, Michael G.; Spekkens, Kristine; Karunakaran, Ananthan; Zaritsky, Dennis; Caldwell, Nelson; Fielder, Catherine E.; Guhathakurta, Puragra; Seth, Anil C.; Simon, Joshua D.; Strader, Jay; Toloba, Elisa (2024-05-01). "The Faint Satellite System of NGC 253: Insights into Low-density Environments and No Satellite Plane*". The Astrophysical Journal. 966 (2): 188. Bibcode:2024ApJ...966..188M. doi:10.3847/1538-4357/ad36c4. ISSN 0004-637X.
  8. ↑ Collins, Michelle L M.; Charles, Emily J E.; Martínez-Delgado, David; Monelli, Matteo; Karim, Noushin; Donatiello, Giuseppe; Tollerud, Erik J.; Boschin, Walter (2022). "Pegasus V/Andromeda XXXIV–a newly discovered ultrafaint dwarf galaxy on the outskirts of Andromeda". Monthly Notices of the Royal Astronomical Society: Letters. 515: L72–L77. doi:10.1093/mnrasl/slac063. Retrieved 2024-06-01.
  9. ↑ Martinez-Delgado, David; Stein, Michael; Pawlowski, Marcel S.; Makarov, Dmitry; Makarova, Lidia; Donatiello, Giuseppe; Lang, Dustin (2024-05-06), Tracing satellite planes in the Sculptor group: II. Discovery of five faint dwarf galaxies in the DESI Legacy Survey
  10. ↑ "Planetary Nebulae". planetarynebulae.net. Retrieved 2024-06-01.
  11. ↑ Martínez-Delgado, David; Cooper, Andrew P.; Román, Javier; Pillepich, Annalisa; Erkal, Denis; Pearson, Sarah; Moustakas, John; Laporte, Chervin F. P.; Laine, Seppo; Akhlaghi, Mohammad; Lang, Dustin; Makarov, Dmitry; Borlaff, Alejandro S.; Donatiello, Giuseppe; Pearson, William J. (2023-03-01). "Hidden depths in the local Universe: The Stellar Stream Legacy Survey". Astronomy & Astrophysics. 671: A141. Bibcode:2023A&A...671A.141M. doi:10.1051/0004-6361/202245011. ISSN 0004-6361.
  12. ↑ Miró-Carretero, Juan; Martínez-Delgado, David; Farràs-Aloy, Sílvia; Gómez-Flechoso, Maria A.; Cooper, Andrew; Roca-Fàbrega, Santi; Kuijken, Konrad; Akhlaghi, Mohammad; Donatiello, Giuseppe (2023-01-01). "A search for stellar tidal streams around Milky Way analogues from the SAGA sample". Astronomy & Astrophysics. 669: L13. Bibcode:2023A&A...669L..13M. doi:10.1051/0004-6361/202245003. ISSN 0004-6361.
  13. ↑ "Nasce il nuovo Programma di Ricerca "Profondo Cielo" dell'UAI – Unione Astrofili Italiani – APS" (in italiano). Retrieved 2024-06-01.
  14. ↑ "Congresso UAI 2022 – Unione Astrofili Italiani – APS" (in italiano). Retrieved 2024-06-01.

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